Thread guide for rewinding machines



Jan.30,1923. 1,443,897.

E. E. KAUFMAN.

I THREAD GUIDE FOR REMNDING MACHINES. man FEB. 21, 1922.

. IN VE N TOR W By mo/mus WITNESSES Patented Jan. 30, 1923.

UNITED s'r F ii";

ELMER E. KAUFMAN, OF SCRANTON, PENNSYLVANIA.

THREAD GUIDE FOR REWINDING MACHINES.

Application filed February 21, 1922. Serial No. 538,830.

To all whom it may concern:

Be it known that I, ELMER E. KAUFMAN, a citizen of the United States,and a resident of Scranton, in the county of Lackawanna and State ofPennsylvania, have invented a new and Improved Thread Shiide torRewinding Machines, of which the following is a full, clear, and exactdescription.

This invention relates to thread guides for re-winding machines and hasfor an object to provide an improved construction over my co pendingapplication, Serial No.

515,75i, the structure being such that the guide may be used on old ornew spindles.

Another object of the invention is to provide aguide utilizing aremovable knob as the retaining means therefor.

A further object, more specifically, is to provide a simple constructionfor holding a thread guiding structure in place which maybe applied tospindles of different sizes and removed readily without injuring thespindles.

In the accompanying drawing Figure 1 is a top plan view of a guide,spindle, spool and associated parts shown in operative position.

Figure 2 is a side view of the structure shown in Figure 1.

Figure 3 is a vertical sectional view through the supporting knob shownin Figure 2.

Referring to the accompanying drawing by numerals, 1 indicates a spoolof any desired kind containing a supply of thread or yarn 2, said spoolbeing mounted on the spindle 3 which spindle is usually tapering. Thisconstruction of spool and spindle are old and well known in re-windingmachines as well as other machines. In connection with the thread 2 itis necessary that the same be guided from the spool 1 so that it willalways leave a certain point. In order to do this, a guiding structure 4is provided which is formed usually with two arms 5 and 6, said arms atthe ends having one or more turns 7 whereby eyes are provided throughwhich the thread 2 may pass. In the drawing, only one of these eyes hasbeen shown in use.

The guiding structure 4 may be made from any suitable wire or othermaterial and bent at the respective points 8 to form upstanding sections9, said upstanding sections being bent at 10 and merging into slantingor entrance sections 11 which entrance sections merge into a loopedstructure 12. The inner ends of the entrance sections 11 approach eachother to the greatest extent at points 13 and i l whereby a restrictedneck is produced. This neck is '5 less distance in. diameter than thesupporting knob 15 at the bottom of the groove 1.6. The groove 16 isannular and, therefore, provides shoulders 17 and 18 for supporting theguiding structured. A. bore 19 is provided centrally of the knob, saidbore tapering whereby it may be mounted on spindles of different sizesand at the same time be forced tightly into position for properlysupporting the guiding structure l.

This knob may be made of metal, wood or other material and be quicklyapplied and removed without injury to the spool or to the knob.Heretofore, more or less com plicated structures have been used forsupporting thread guiding means or else a groove has been provided asshown in my copending application, which groove is objectionable in thatit requires the spindle to be taken down and a groove formed thereinunless originally constructed in that manneix By'the use of the knob 15the same result is secured, namely, the proper supporting of the threadguiding structure 4- while the spindle is not mutilated and the knob maybe applied and removed at any time for ditferent sized spindles withinthe limits of the bore 19.

What I claim is z In a thread guide for re- "*inding niachines, thecombination with a supporting knob having an aperture extendingtherethrough and an annular groove arranged in a plane at right anglesto the aperture, of a thread guide co-acting with said knob and fittedinto said groove comprising a single element bent adjacent its center toform a resilient ring adapted to be loosely positioned in said groove,said ring merging into projecting portions positioned nearer to eachother than the diameter of the ring, said projecting i arms bentlaterally and rearwardly toward said ring and then diametricallyoutwardly to present arms, and a twisted structure at the ends of saidarms forming thread guiding eyes.

ELMER KAUFMAN.

portions merging into side

